3 (also spline curve) Mathematics A continuous curve constructed so as to pass through a given set of points and have a certain number of continuous derivatives. Example sentences. 1  The data was therefore fit nonparametrically to a smooth curve using the Dierckx algorithm for cubic spline curve fitting.
Definition of Unearned Revenue in Accounting. Unearned revenue is the same thing as deferred revenue. In accounting, unearned revenue is a liability. It is a liability because even though a company has received payment from the customer, the money is potentially refundable and thus not yet recognized as revenue.
Revenue Accounts. Revenue is the total amount received by a business or recognized as earned when the business sells something, usually services and goods. In modern accountancy, revenue is recorded when it is earned not when the cash is received from customers.evenue is the total amount received by a business or recognized as earned when the business sells something, usually services and goods.